Eryngium yuccifolium Michaux var. synchaetum A. Gray ex Coulter & Rose. Southern Rattlesnake-master. Phen: Jun-Aug. Hab: Wet savannas, especially those over calcareous clay soils. Dist: A Southeastern Coastal Plain endemic: se. NC to s. FL and west across the Gulf Coastal Plain, the exact range limits obscure.
Origin/Endemic status: Endemic
Syn: = K1, K3, K4, MC, RAB, Tx, Bell (1963); = Eryngium synchaetum – S; < Eryngium yuccifolium – Fl7, GW2, NcTx, WH3
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© Jay Horn 
© Aidan Campos